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Inch Size Miniature Ball Bearings SR168

Inch Size Miniature Ball Bearings SR168

The SR168 is a compact inch-sized miniature ball bearing, measuring 0.25″×0.375″×0.125″. Made entirely from stainless steel, it offers good resistance to corrosion and wear.

With a dynamic radial load capacity of 64 lbf, it handles light to moderate loads efficiently. Its open design allows for easy lubrication, and it spins smoothly at speeds up to 43,200 RPM.

The bearing features a standard inner ring and 11 stainless steel balls for balanced performance. Its ABEC1 tolerance ensures reliable operation in most applications.

Ideal for small machinery, hobby projects, or precision instruments where space is limited. It operates in temperatures from -86°F to 230°F and complies with RoHS and REACH standards.

Weighing just 0.57g, it’s lightweight yet durable for its size. A practical choice for radial load applications needing a small, reliable bearing.

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Product Parameters

  • Part Number SR168
  • Brand TFL
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Open
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Radial Clearance 0.00008" to 0.0005"
  • Ball Qty 11
  • Bore Dia 0.25"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.375"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.125"
  • Width Tolerance -0.005" to 0"
  • Ball Dia 0.03941"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 64 lbf
  • Static Radial Load 28 lbf
  • Max Speed 43200 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.57 g
  • Price（$） 1.242
Inch Size Miniature Ball Bearings SR168 dimension drawing
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Features

How Does SR168 Bearing Reduce Friction?

SR168 Bearing features stainless steel construction, ensuring smooth operation with minimal friction.
Its ABEC1 tolerance class provides consistent performance, ideal for precision applications.

The open design allows for easy lubrication, maintaining efficiency over time.
With a maximum speed of 43,200 rpm, it delivers reliable performance in high-speed scenarios.

SR168 Bearing’s radial clearance range of 0.00008″ to 0.0005″ ensures optimal fit and function.
Its lightweight design at just 0.57 g makes it suitable for miniature applications.

Application

Ideal for Precision: SR168 Bearing
SR168 Bearing is commonly used in small-scale industrial equipment, like miniature conveyor systems, where its compact size and radial load capacity are beneficial. The stainless steel construction ensures durability in various working conditions.

In automotive applications, SR168 Bearing fits well in small electric motors and sensors, providing smooth rotation and reliability. Its inch sizing makes it compatible with many North American automotive components.

For medical devices, SR168 Bearing’s precision and stainless steel materials make it suitable for delicate instruments like dental tools. The open design allows for easy lubrication, maintaining performance over time.

In consumer electronics, SR168 Bearing can be found in devices like small fans or printers, where quiet operation is essential. Its lightweight design doesn’t compromise on strength or efficiency.

Automation systems benefit from SR168 Bearing in robotic arms and 3D printers, where precise movement is critical. The ABEC1 tolerance ensures consistent performance in high-speed operations.

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